28 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Flexion - C6, C7 (median ... • Mexion - C8 (median ... opp - C8, T1 (median ... Erb's Palsy is caused ... spared in this injury
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
In more severe cases ... breaks through the medial ... fracture of the medial ... These injuries are caused ... to the medial malleolus
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Kidney Injury ( ... stricture/valves Meatal ... Acute #Kidney #Injury
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
URT inflammation causes ... metabolites induce injury ... cause quadriplegia ... evasion techniques cause ... tachypnea, otitis media
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
vs Venous Blood Gases ... infection, nerve injury ... digital ischemia, injury ... often requires serial
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Fasciculus (MLF) Iniury ... Skew Deviation Casey
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
• Metabolic Causes ... Cerumen • Otitis Media ... • Closed Head Injury ... Diagnosis #Algorithm #Causes
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Clinical Findings Medical ... Viral replication causes ... direct injury to
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... The most common causes ... liver or renal injury ... patient’s complete medical ... gluconeogenesis Liver Injury
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
nucleus of the medial ... concept suggests an injury ... We have varied causes